求当天两小时间间隔平均值的 MYSQL 语句 - V2EX

求当天两小时间间隔平均值的 MYSQL 语句 - V2EX

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当前两小时间时间价格的平均值的 MYSQL 语句

结果 12 条数据，每天都是两个小时的平均值比如第一条是 0:00-2:00 ；第二条是 2:00-4:00,如果当前间隔没数据，沿用上间隔的平均值

2 条回复 2016-05-16 15:45:12 +08:00

1

haranhuang

2016-05-16 11:13:55 +08:00

select floor(hour(time)/2) as hourgroup,avg(a)
from table
group by floor(hour(time)/2)

2

tboy

OP

2016-05-16 15:45:12 +08:00

@haranhuang 谢谢

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